• The Journal of Society for e-Business Studies
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• v.13 no.2
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• pp.165-179
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• 2008

In this study we designed the killer services for the scene of bookstore in ubiquitous computing. To achieve this study, we have explored the unmet needs of employees and users in bookstores and examined whether the unmet needs could be served by the resources and capabilities of ubiquitous computing. Then we have extracted detailed killer services that includes value propositions and resource map by using statistical methodology. Finally, the killer services were designed to serve employees and users in bookstores with the service architecture. The result of this study will be applied to develop new business model in ubiquitous computing as the basic research.

• Journal of Information Technology Services
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• v.6 no.2
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• pp.99-112
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• 2007

In this study we designed the killer services for the scene of labor learning in ubiquitous computing. To achieve this study, we have explored the unmet needs of teachers in the scene of labor learning and examined whether the unmet needs could be served by the resources and capabilities of ubiquitous computing. Then, we have crafted a detail killer services that includes value propositions and resource maps by using statistical methodology. Finally, the killer services for the scene of labor learning proposed to serve educational users with the service architecture. The result of this study will be applied to develop new business model in ubiquitous computing as the basic research.

• International Journal of Contents
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• v.5 no.2
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• pp.20-25
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• 2009

The purpose of this study is to seek new u-business services in restaurant management. Using the concept of business model methodology in family restaurant management domain, this study identifies customers' needs in services at the stage of management of purchase of materials, the production management, and the sales management. In addition, this study suggests two killer applications of a family restaurant management linking with the latest ubiquitous computing technologies: the service of the customer-oriented menu recommendation and the service of the inventory-oriented menu recommendation. These findings may offer practical insights in the context of ubiquitous service model of restaurant management.

• The Journal of the Korea Contents Association
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• v.9 no.2
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• pp.326-338
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• 2009

In this paper, we argue that characteristics of ubiquitous business are different from those of e-business or m-business. We have developed a u-business model development framework incorporating the concept of value co-creation experiences, which is a core of the ubiquitous business paradigm. The framework of u-business model development presented in this paper consists of eight steps such as defining of domain, discovery of opportunity nucleus, defining of potential co-creation experience environment, deriving candidates of u-business services, selecting u-business killer services, defining value propositions of u-business killer services, defining u-business killer service offerings, and drawing a resource map of u-business killer services. The proposed u-business model development framework offers useful guidelines for practitioners to develop successful u-business models under a ubiquitous business paradigm.

• Proceedings of the Korea Contents Association Conference
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• 2004.05a
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• pp.522-528
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• 2004

Mobile internet service based on CDMA network evolution and multifunction mobile terminal is popular in Korea. Mobile internet service is classified as the information service using browser and mobile multimedia service using download platform. Killer applications based on multifunction mobile terminals have been developed for new business in mobile internet services. One of killer applications is location based seurvice (LBS) using mobile location information. In this paper, we develop mobile map browser using WIPI platform that is the main function in LBS. Mobile map browser interworking with GIS server provides the map information. The developed mobile map browser can be working on PDA and telematics terminals when WIPI is porting on these devices.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.9 no.5
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• pp.73-78
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• 2009

We researched economic efficiency and possibility of game portal service based PDA/Smart phone by popularize of next generation portable internet WiBro. PDA/Smart phone are difficult to equal level content service with PC, because of it has low CPU and memory than PC. This paper are implemented paper of integrated server of Cable or Wireless for WiBro contents. In this research, we implemented and show test result of CP killer contents in PDA. It can apply to WiBro portable internet and has required many functions in integrated server for cable or wireless. CP Killer contents for WiBro portable internet is developed by PC server base on Window XP. It can accept next generation wireless LAN, portable internet and ubiquitous issues. We expect activation of commercial use that WiBro contents and server trading.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.30 no.8B
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• pp.569-580
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• 2005

In case of one of the next generation mobile telecommunication; WCDMA service, the relevant market growth is delayed by market uncertainty, lack of effective demands, rapid evolution of technology, non-existence of business strategy, lack of distinction with competitive services and killer applications. In this study we intended to analyze the influence factors of market diffusion and marketing strategy of WCDMA. For doing so, we obtained both promotion and hindrance factors for diffusing the market of WCDMA through expert survey. Also we acquired such categories as factor for adoption, willingness to pay, killer application, preferred terminal and pronising customer, which becomes the reason ifluencing on the decision of WCDMA service marketing strategy. On the basis of such results, this paper suggests the direction of deployment for marketing focusing on the strategies as customer, price, sewice, terminal provision, and positioning of WCDMA.

• Journal of Korea Spatial Information System Society
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• v.7 no.2 s.14
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• pp.3-14
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• 2005

The purpose of this study is to present the role of NGIS(National Geographic Information System) and the development strategy for Business GIS in the ubiquitous society. We analyze the level of GIS technology with the ICT(Information Communication Technology) as well as GIS application trends especially in location-based circumstances. Also, we advocate not only making GIS contents to meet the international standards such as GML(Geography Markup Language) and TPEG(Transport Protocol Experts Group) but applying GIS as a killer application to oncoming diverse ICT areas including LBS(Location -Based Service), Telematics, ITS(Intelligent Transport System), gCRM(geographic Customer Relationship Management), DMB(Digital Multimedia Broadcasting), u(ubiquitous)-City and u-Town. Finally, we build a conceptual Business GIS model based on NGIS for QoS, standardization, R&D, education, and security.

• Proceedings of the IEEK Conference
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• 2005.11a
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• pp.11-14
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• 2005

In this paper, we propose a method for transmitting SMS(Short Message Service) for VoIP(Voice over IP) service supporting multi-protocol. The multi-protocol VoIP under consideration are generally composed of H.323, SIP and MGCP and Most ITSPs(Internet Telephony Service Provider) provide VoIP service with H.323 and SIP now. SMS is killer application in mobile telecom service and many people of various field use that service. For example, user can send many SMS messages and substitute e-mail. Also SMS can be provided with various internet application. Ahn, legacy phone of KT, can use SMS. Therefore VoIP phone also can be required with the same requirement. With the multi-protocol VoIP we will propose several methods sending efficiently SMS. To show the validity of the proposed method some examples are given in which the results can be expected by intuitive observation.

• The Journal of the Korea Contents Association
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• v.8 no.11
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• pp.74-84
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• 2008

Mobile game is a killer content among the various mobile contents provided by Telecommunication companies. Recently, Location Based Service (LBS) market is growing rapidly and LBS will be a killer content in the near future. As a consequence, mobile game combined with LBS will be a dominant trend of mobile content. However, there exist some limitations on the revitalization of the mobile service market. In this paper, analysis of the restrictions on the mobile service market is performed and then methods for the revitalization of the mobile service market are proposed various billing system is required to reduce network fee for users, a new policy to protect privacy has to be offered, and the infrastructure for high network performance should be developed. The result of this research will provide key role to find a new and more innovative approach to enhance the interaction design of the future Location Based Mobile Games.